{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:29:41+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DSV794Q6?maas=maas_adg_api_592388559938624374_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=0a643cf523b775142609495fd9d7916d&aa_adgroupid=7b6421ea4658d92472f742ef52c28af6_PBSEP_!!!affid!!!_118045_&aa_creativeid=4e9ecFROdderhdULczdhvma0UPyncAnKiQIk07aMJObwIQc_c"}],"product":{"brand":"TP-Link UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/tapo-l530ba-b22-smart-bulb-multicolour-dimmable-led-light-bulb-b0dsv794q6/prices","gtin":null,"id":11661,"model_number":null,"name":"Tapo L530BA B22 Smart Bulb Multicolour Dimmable LED Light Bulb","product_url":"https://mail.mainbuyer.com/product/tapo-l530ba-b22-smart-bulb-multicolour-dimmable-led-light-bulb-b0dsv794q6","urn":"MB-AWIN-GB-B0DSV794Q6"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-09-17T12:29:41+00:00","low_30d":"19.99","low_90d":"19.99","median_price":"19.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:41+00:00"}}